- Earth observation satellites collect data about the Earth's physical, chemical, and biological systems. - Remote sensing satellites (like CARTOSAT, RISAT) and satellites for environmental or oceanographic monitoring (like SARAL) fall under the category of Earth observation. - Communication satellites relay signals, Navigation satellites are used for positioning, and Student satellites are small satellites often built by universities for educational or research purposes.
CARTOSAT- 1 & 2, RISAT - 1 & 3 and SARAL are
Asked in KPSC KAS Prelims 2014 · Topic: Remote Sensing and Geographic Information Systems (GIS) (Remote Sensing Platforms and Sensors (Active and Passive sensors))
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Answer: D. Earth observation Satellites
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